Large RF Coils
Fixed Inductor
26 µH / 30 amp
(IRF) 26-VC-2144
Gates fixed inductor. 26 µH, 30 amp. 6" x 6-1/2" x 10"L. 1/2" x 1/16" ribbon. Used.
$225
Edgewound Inductor
82 µH / 10 amp
(IRF) EFJ82
EF Johnson edgewound inductor. 82 µH, 10 amp. 5"D x 12"L. 1/4" ribbon. Used.
*** SOLD OUT ***
Gates Transmitter Tank Circuit
5 - 12 MHz
(IRF) L15B
Gates transmitter tank circuit with coupling coil. 5 - 12 MHz. Outer coil = 7" O.D., 1/2" silver tubing, 12 turns. Inner coil = 5" O.D., 1/2" edgewound silver with taps, 5 turns. Overall dimensions: 18" x 11" x 15-3/4" high. New, old (and tarnished) stock.
$350 each
Silver RF Tank Coil
1.8 µF
(IRF) CL143REVA
Silver RF tank coil. 1/4"D tubing. 1.8 µF. 7-1/4 turns, 3-1/8" O.D., 2-3/4" I.D. Taps at 1/2 turn, 2-2/3 turns, 4-1/4 turns, 6-1/2" strap. 6" strap, 4" strap, at end 5" strap. 3 studs, 10 - 24 for mounting. Straps have PTFE sleeving.
NSN: 5950-00-702-2936.
$115 each
Edgewound Fixed Coil
24 µH / 30 amps
(IRF) 943-0398
Gates edgewound fixed coil. 24 µH, 30 amps. 20 turns, 1/2" wide silver plated coil with log-spacing. Coil dimensions: 6"D x 7-1/4"L. (9-3/8"L - total for unit, 8"D). Internal vacuum cap (not included). Mounting clamps (FM-2) for parallel "C" in LC unit. LC unit made for Gates transmitter. Includes arc gap. Gates P/N: 943-0398-002.
$450 each
Silver Coil Tapping Clip
(IRF) .375CLIP
Silver coil tapping clip for 3/8" diameter silver tubing.
*** SOLD OUT ***
Edgewound Fixed Coil
5.5 µH / 15 kw
(IRF) 943-3777
Edgewound fixed coil. 5.5 µH, 15 kw. Includes 1 tap clip. 5" diameter coil, 6 turns. 1/2 copper - bore, 4 turns per inch. Harris IPA filter assembly. Gates P/N: 943-3777-007.
$225 each
Silver RF Coil
18 µH / 5 kw
(IRF) 200-0125
Cardwell silver RF coil. 15 turns of 1/4" silver plated flat stock, 4-1/2" diameter, 3-5/8" long coil. 4 turns per inch. 7" overall height. Great tank coil for RF circuit. Tap at any point for exact match.
$165 each
Silver RF Coil
26 µH / 5 kw
(IRF) 200-101-1
Cardwell silver RF coil. 22 turns of 1/4" silver plated flat stock, 4-1/2" diameter, 5-1/4" long coil. 4 turns per inch. 9" overall height. Great tank coil for RF circuit. Tap at any point for exact match. Mfg. P/N: MJ26-10.
$189 each
Silver RF Coil
15 µH / 15 kw
(IRF) 200-306-1
Multronics silver RF coil. 16 turns of 1/2" silver plated flat stock, 5" diameter, 4-3/4" long coil. 4 turns per inch. 9" overall height. Great tank coil for RF circuit. Tap at any point for exact match.
$265 each
RF Coil
50 amp
(IRF) 14T50
RF coil. 50 amp. 5" outside diameter. Two, 7 turn sections. 14 turns total. 1/2" wide x 0.1" thick copper coil.
$125
Silver RF Coil
200 µH / 5 kw
(IRF) C35-13510
Silver plated coil similar to above is replacement inductor for military auto tuner. Taper wound low end. Large gauge silver wire. 4" diameter x 24" long. Wound on fiberglass form with 7" diameter aluminum flange on one end.
$175 each
Silver RF Coil
1 mH / 5 kw
(IRF) 10X1121
Silver plated coil appropriate for loading 160 meters or VLF frequencies with 1 mH total inductance. 5-1/2" diameter, 20" long. Wound on fiberglass form. Has 14 ga. wire. Should handle 5 kw +. Fiberglass core. Weighs: 7 pounds.
$125 each - $110 (5+)
Tank Coil
(IRF) STP150128
Tank coil. 3/8" silver tubing. 4 large turns + 1 small. 4" outside diameter.
$92 each
Silver Tank Strap
(IRF) 151168
Silver tank strap. 0.4" outer diameter. 4-1/2" c-c holes. 6-3/8" overall length.
$23 each
Silver Tank Coil
(IRF) SRSTANK
4-1/2" outer diameter silver tank coil. 0.35" x 0.8" flat stock. 1.5 turns. Broadcast tank. Made for SRS broadcast transmitter.
$103 each
Silver Tank Coil
(IRF) 151955
4-1/2" outer diameter silver tank coil. 0.67" round stock. 1.5 turns. Broadcast tank. Made for SRS 10 kw transmitter.
$107 each
Silver Tank Coil
(IRF) 150127
4-1/4" outer diameter silver tank coil. 0.40" round stock. 2-1/2" turns. Broadcast tank. Made for SRS 10 kw transmitter.
$83 each